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authorIan Rogers <irogers@google.com>2020-05-07 22:36:24 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-10-01 13:18:06 +0200
commitff793fe02ca89d737217b2c20cd042382b7007c8 (patch)
tree4886b2f31a1216ad0d89185bc447b5f0d7b2c2a8 /tools
parent2076ee4ae51253e2294955881b02517edb3c94bd (diff)
perf metricgroup: Free metric_events on error
[ Upstream commit a159e2fe89b4d1f9fb54b0ae418b961e239bf617 ] Avoid a simple memory leak. Signed-off-by: Ian Rogers <irogers@google.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Alexei Starovoitov <ast@kernel.org> Cc: Andi Kleen <ak@linux.intel.com> Cc: Andrii Nakryiko <andriin@fb.com> Cc: Cong Wang <xiyou.wangcong@gmail.com> Cc: Daniel Borkmann <daniel@iogearbox.net> Cc: Jin Yao <yao.jin@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: John Fastabend <john.fastabend@gmail.com> Cc: John Garry <john.garry@huawei.com> Cc: Kajol Jain <kjain@linux.ibm.com> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Kim Phillips <kim.phillips@amd.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Martin KaFai Lau <kafai@fb.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Song Liu <songliubraving@fb.com> Cc: Stephane Eranian <eranian@google.com> Cc: Vince Weaver <vincent.weaver@maine.edu> Cc: Yonghong Song <yhs@fb.com> Cc: bpf@vger.kernel.org Cc: kp singh <kpsingh@chromium.org> Cc: netdev@vger.kernel.org Link: http://lore.kernel.org/lkml/20200508053629.210324-10-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'tools')
-rw-r--r--tools/perf/util/metricgroup.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/perf/util/metricgroup.c b/tools/perf/util/metricgroup.c
index 940a6e7a6854..7753c3091478 100644
--- a/tools/perf/util/metricgroup.c
+++ b/tools/perf/util/metricgroup.c
@@ -174,6 +174,7 @@ static int metricgroup__setup_events(struct list_head *groups,
if (!evsel) {
pr_debug("Cannot resolve %s: %s\n",
eg->metric_name, eg->metric_expr);
+ free(metric_events);
continue;
}
for (i = 0; i < eg->idnum; i++)
@@ -181,11 +182,13 @@ static int metricgroup__setup_events(struct list_head *groups,
me = metricgroup__lookup(metric_events_list, evsel, true);
if (!me) {
ret = -ENOMEM;
+ free(metric_events);
break;
}
expr = malloc(sizeof(struct metric_expr));
if (!expr) {
ret = -ENOMEM;
+ free(metric_events);
break;
}
expr->metric_expr = eg->metric_expr;